A:Na+、Fe3+、Cl-、SCN-能大量共存于同一溶液中
B:碳酸氢钠溶液与足量的氢氧化钡溶液混合后,其离子方程式为: HC03-+ Ba2++OH-=BaC03↓+H2O
C:若R2-和M+的电子层结构相同,则原子序数的比较为: R>M
D:若X原子中的质子数为a,中子数为b,则X的质量数为: a-
1)你建议的线路;2)你的理由;3)你的祝愿。
注意:1)词数100左右
2)适当增加细节,以使行文连贯。
Tom: ()
Jim: My name's Jim.
A teenage girl couldn't stand(忍受) her family rules,so she left home. She wanted to be a star and became 1. But she had a little education and a few years later,she had to ask for food on the street for a living. Now her father has2 . Her mother is an old woman. But she is still 3 her daughter. She went to every corner of the city. Everywhere she goes,she put up a big photo of herself on the wall. At the lower part of the 4 she writes,“I still love you …Come back home!” One day,the daughter saw one of the photos. She was so surprised that she couldn't believe her 5. “Is that my mother?”She moved6 and read the words,“I still love you…” She cried. When she got home,it was early morning. She pushed the door. The door 7 itself. She rushed to the bedroom at once. Her mother was sleeping there. She woke her mother up,“It's me!Your daughter is back home!”The mother and daughter looked at each other excitedly,full of 8tears. The daughter asked,“ 9is the door unlocked?A thief could get in.” The mother answered softly,“The door 10 locked after you left. We miss you all the time. We believe that you'll come back some day.”The door of parents’ love for their children will never be closed.